Tetrahedron Letters p. 3409 - 3412 (1983)
Update date:2022-07-30
Topics:
Wasserman, Harry H.
Dion, Robert P.
On thermolysis with ammonium halides, dicyclopropyl ketimines yield cyclopropyl pyrrolines resulting from SN2 ring-opening by the nucleophilic halide.In the absence of a nucleophilic counterion, the acid-catalyzed thermolyses lead to pyrroles if there can be stabilization of cationic intermediates by an electron-releasing substituent.
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